ISL6545CBZ-TS2698 Intersil, ISL6545CBZ-TS2698 Datasheet - Page 3

• Manufacturer Part Number: ISL6545CBZ-TS2698
• Description: IC PWM CTRLR SYNC BUCK 8-SOIC
• Manufacturer: Intersil

Specifications of ISL6545CBZ-TS2698

• Pwm Type: Voltage Mode
• Number Of Outputs: 1
• Frequency - Max: 330kHz
• Duty Cycle: 100%
• Voltage - Supply: 4.5 V ~ 14.4 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 8-SOIC (3.9mm Width)
• Frequency-max: 330kHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Block Diagram
Typical Application
COMP/SD
FB
LGATE/OCSET
R
OFFSET
5V int.
TO
C
R
21.5µA
20μA
3
F
F
SAMPLE
HOLD
AND
C
Type II
compensation
shown
DCPL
C
5V OR 12V
COMP/SD
V
I
CC
0.4V
0.6V
ERROR
+
-
AMP
FB
7
DIS
6
+
-
ISL6545A
ISL6545,
ISL6545, ISL6545A
COMPARATOR
FIXED 300 (or 600)kHz
3
5
+
-
VCC
R
GND
S
OC
OSCILLATOR
COMPARATOR
1
8
2
4
PWM
UGATE
LGATE/OCSET
PHASE
BOOT
SOFT-START
+
-
POR AND
R
OCSET
C
BOOT
5V int.
INHIBIT
REGULATOR
PWM
INTERNAL
DIS
L
OUT
GND
C
CONTROL
OUT
LOGIC
GATE
C
VCC
HF
1V TO 12V
VCC
V
D
IN
BOOT
20kΩ
+V
C
O
BULK
PHASE
BOOT
UGATE
LGATE/OCSET
March 3, 2011
FN6305.6